Long range radio transmission is possible when the radio waves are reflected from the ionosphere. For this to happen, the frequency of the radio waves must be in the range
wavebands - MIKROE
United States Frequency allocations chart from VLF to SHF - YouTube
Frequency Range- ELF, LF,MF ,HF, VHF, UHF, SHF, EHF, ULTRAVIOLET, INFRARED, X-Ray & Application - YouTube
What are the frequencies used in telecommunication? - Quora
How the Radio Spectrum Works | HowStuffWorks
The Many Frequencies of RF Communication | The Electromagnetic Spectrum | Electronics Textbook
What are Radio Frequency bands and its uses? - RF Page
Medium frequency - Wikipedia
kb/frequency-bands-and-channels | rsibda
High frequency - Wikipedia
Radio Frequencies Exclusive » NetworkUstad
Radio Wave – What is a Radio Wave Transmission?. - Computer Notes
What are Radio Frequency bands and its uses? - RF Page
Frequencies for communication VLF = Very Low FrequencyUHF = Ultra High Frequency LF = Low Frequency SHF = Super High Frequency MF = Medium Frequency EHF. - ppt download
Radio Electromagnetic Spectrum Frequency Bands - RF Cafe
Aircraft Vhf Radio Frequencies | Radio, Radio channels, Radio frequency
Radio Spectrum: ITU Frequency Bands » Electronics Notes
High Frequency (HF) Radio
Electrical Symbols | VHF UHF SHF
